Jun.	1	Beginning merchandise inventory	17	units @	$18	each
	12	Purchase	6	units @	$21	each
	20	Sale	14	units @	$34	each
	24	Purchase	19	units @	$24	each
	29	Sale	20	units @	$34	each

Requirements 1., 2., and 3. Compute ending merchandise inventory, cost of goods sold, and gross profit using the (1) FIFO inventory costing method, (2) LIFO inventory costing method, and (3) weighted-average inventory costing method.(Round weighted-average cost per unit to the nearest cent and all other amounts to the nearest dollar.)

Begin by determining ending merchandise inventory and cost of goods sold under each of the three methods.